1810364540

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{569}}^1\times {\mathrm{619}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 3829442400

約数和(自身を除く): 2019077860

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 569, 619, 1028, 1138, 1238, 1285, 2276, 2476, 2570, 2845, 3095, 5140, 5690, 6190, 11380, 12380, 146233, 159083, 292466, 318166, 352211, 584932, 636332, 704422, 731165, 795415, 1408844, 1462330, 1590830, 1761055, 2924660, 3181660, 3522110, 7044220, 90518227, 181036454, 362072908, 452591135, 905182270, 1810364540]

約数ペア:

[(1, 1810364540), (2, 905182270), (4, 452591135), (5, 362072908), (10, 181036454), (20, 90518227), (257, 7044220), (514, 3522110), (569, 3181660), (619, 2924660), (1028, 1761055), (1138, 1590830), (1238, 1462330), (1285, 1408844), (2276, 795415), (2476, 731165), (2570, 704422), (2845, 636332), (3095, 584932), (5140, 352211), (5690, 318166), (6190, 292466), (11380, 159083), (12380, 146233)]